Nikola Tesla Quotes
When I get an idea I start at once building it up in my imagination. I change the construction, make improvements and operate the device in my mind. It is absolutely immaterial to me whether I run my turbine in my thought or test it in my shop. I even note if it is out of balance.
Citations
Tesla, Nikola. My Inventions: The Autobiography of Nikola Tesla. Experimenter Publishing Company, 1919.
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Nikola Tesla was a Serbian-American inventor, electrical engineer, mechanical engineer, and futurist best known for his contributions to the design of the modern alternating current (AC) electricity supply system.